Do your best to ignore the asshole. Stay in your room. Hang out with friends. Find a place that’s peaceful enough for you to study. This upcoming thing could very well determine how you will live your whole life. Sounds like he may be an alcoholic. Mother and father both doctors and such a dysfunctional situation !
Concentrate solely on yourself, and I know that will be hard , but you have to.
It’s not your job to fix your father. The anger I had towards my father because of abuse towards me and my mom almost completely destroyed my life.
Don’t let that happen to you. You need wisdom beyond your years right now.
If your religious, pray. Maybe seek counseling.
Best of luck to you.